FR429624A - Railway signal whistle - Google Patents

Railway signal whistle

Info

Publication number
FR429624A
FR429624A FR429624DA FR429624A FR 429624 A FR429624 A FR 429624A FR 429624D A FR429624D A FR 429624DA FR 429624 A FR429624 A FR 429624A
Authority
FR
France
Prior art keywords
railway signal
signal whistle
whistle
railway
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Marcellous Lee Carter
Hansel Hicks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR429624A publication Critical patent/FR429624A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/20Audible signals, e.g. detonator audible signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR429624D 1911-05-11 1911-05-11 Railway signal whistle Expired FR429624A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR429624T 1911-05-11

Publications (1)

Publication Number Publication Date
FR429624A true FR429624A (en) 1911-09-27

Family

ID=1471938

Family Applications (1)

Application Number Title Priority Date Filing Date
FR429624D Expired FR429624A (en) 1911-05-11 1911-05-11 Railway signal whistle

Country Status (1)

Country Link
FR (1) FR429624A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157154A (en) * 1962-11-13 1964-11-17 F H Peavey And Company Spin ball pressure interrupter
DE1244454B (en) * 1964-06-09 1967-07-13 Peavey Co Frequency-modulated ultrasonic emitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157154A (en) * 1962-11-13 1964-11-17 F H Peavey And Company Spin ball pressure interrupter
DE1244454B (en) * 1964-06-09 1967-07-13 Peavey Co Frequency-modulated ultrasonic emitter

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